Key result
Deep learning with wavelet transform data augmentation achieves ~95% accuracy in detecting epilepsy.
Why the study?
Epileptic seizure detection based on EEG is challenged by difficulty in collecting seizure data and overfitting due to limited training samples.
A novel deep learning method using wavelet transform for data augmentation achieved high accuracy in detecting epileptic seizures from EEG data, addressing the challenge of limited training samples.
Wavelet augmentation may aid patient-specific seizure detection with limited data; leaves open prospective validation before clinical adoption.
In recent years, epileptic seizure detection based on electroencephalogram (EEG) has attracted the widespread attention of the academic. However, it is difficult to collect data from epileptic seizure, and it is easy to cause over fitting phenomenon under the condition of few training data. In order to solve this problem, this paper took the CHB-MIT epilepsy EEG dataset from Boston Children's Hospital as the research object, and applied wavelet transform for data augmentation by setting different wavelet transform scale factors. In addition, by combining deep learning, ensemble learning, transfer learning and other methods, an epilepsy detection method with high accuracy for specific epilepsy patients was proposed under the condition of insufficient learning samples. In test, the wavelet transform scale factors 2, 4 and 8 were set for experimental comparison and verification. When the wavelet scale factor was 8, the average accuracy, average sensitivity and average specificity was 95.47%, 93.89% and 96.48%, respectively. Through comparative experiments with recent relevant literatures, the advantages of the proposed method were verified. Our results might provide reference for the clinical application of epilepsy detection.
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Yang et al. (2022) studied Epilepsy. Epilepsy detection method combining wavelet transform data augmentation and deep learning vs. Recent relevant literatures was evaluated on Average accuracy, sensitivity, and specificity. An epilepsy detection method using wavelet transform data augmentation and deep learning achieved an average accuracy of 95.47%, sensitivity of 93.89%, and specificity of 96.48%.
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